The primary objective of this study is to evaluate, through clinical parameters, the comparative efficacy between topical Tobracort ® (tobramycin 0.3% dexamethasone + 1% - Chemistry Lab Union) and TOBRADEX ® (tobramycin 0.3% dexamethasone + 1 % - Alcon Lab), using the percentage of improvement (sustained response rate) at the end of treatment.